Williamsville, MO Weather & Growing Conditions
This Afternoon
73°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2pm, then showers and thunderstorms. Mostly cloudy. High near 73, with temperatures falling to around 65 in the afternoon. South wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Showers And Thunderstorms | 14 mph S | 98% |
| Tonight | 49°F | Showers And Thunderstorms then Mostly Cloudy | 3 to 12 mph SSW | 92% |
| Wednesday | 67°F | Mostly Sunny | 3 to 7 mph W | 1% |
| Wednesday Night | 36°F | Mostly Clear | 3 mph WSW | 0% |
| Thursday | 69°F | Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 40°F | Mostly Cloudy | 3 mph WNW | 6% |
| Friday | 62°F | Partly Sunny | 3 to 7 mph NNW | 0% |
| Friday Night | 35°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 58°F | Mostly Sunny | 3 mph N | 0% |
| Saturday Night | 31°F | Partly Cloudy | 1 mph NNW | 2% |
| Sunday | 62°F | Sunny | 1 to 5 mph WNW | 5% |
| Sunday Night | 30°F | Mostly Clear | 2 mph NW | 3% |
| Monday | 66°F | Sunny | 1 to 6 mph W | 1% |
| Monday Night | 33°F | Mostly Clear | 3 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamsville, MO
Last spring frost
Apr 2
First fall frost
Nov 2
Growing season
215 days
Hardiness zone
7a
Explore more for Williamsville, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Wappapello Dam, Mo (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.